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3 years ago

What causes ocean surface currents?

Biology

2 answers:

bulgar [2K]3 years ago

6 0

Ocean currents can be generated by wind so I believe the answer is B

kkurt [141]3 years ago

6 0

Answer: B. friction between the ocean and wind on its surface

Explanation:

The water in the ocean surface is influenced by the winds that blows in the certain patterns because of the spinning of the earth at different angles. Wind currents are capable enough to influence the water tides and motion of surface layer of water. Therefore, B. friction between the ocean and wind on its surface is the correct option.

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The auditory, or eustachian, tube extends from the nasopharynx to theA external ear.B middle ear.C inner ear.D oropharynx.

Nikolay [14]

Answer:

Option B, Middle ear

Explanation:

Nasopharynx is the upper part of throat which lies behind the nose and it connects the to middle ear. It moves the mucus produced in the middle ear to the throat which is then further drained out.

This tube is responsible for equalizing the pressure inside the ear to the pressure outside the ear. It comprises upper throat and rear side of nasal cavity.

Hence, option B is correct

7 0

3 years ago

Help pls :(( it would help me alot

ddd [48]

Answer:

i answered already, but i can again the correct answer is d

Explanation:

8 0

3 years ago

Which statement correctly describes metabolic reactions? Intermediary metabolism breaks down material and transforms fuels into

DedPeter [7]

Answer:

Catabolic processes break down material and transforms fuels into cellular energy, whereas anabolic processes require energy for biosynthesis.

Explanation:

Metabolism is a constructive and destructive process which occurs in the body of living organisms. There are two types of metabolism i. e. catabolism and anabolism. Catabolism is a destructive process in which food molecules are broken down into simpler substances for the production of energy while anabolism used this energy for the formation of new cells and muscles etc.

6 0

3 years ago

A researcher has performed a BLASTp search for a protein of interest. He identifies a globular protein that shares 30 percent of

Alex_Xolod [135]

Options are not provided in the question. The complete question is as following:

A researcher has performed a BLASTp search for a protein of interest. He identifies a globular protein that shares 30 percent of its amino acid sequence and positioning with his target protein. What can he conclude about the shape of his protein of interest?

a) It is also a globular protein.

b) It is a fibrous protein.

c) It has only a primary structure.

d) It demonstrates only pleated sheets as part of its structure.

e) The researcher can conclude nothing about his protein of interest.

Answer:

a) It is also a globular protein.

Explanation:

Globular proteins are one of the common form of protein (the other are fibrous, disordered, and membrane proteins) having spherical shape.

Protein-protein BLAST (blastp), This software returns the most related sequences of protein from the protein database defined by the user, provided a protein query.

So, the blastp has searched for globular protein.

Hence, the correct option is a.

6 0

3 years ago

A usable dilution of disinfectant is one that prevents growth of bacteria when compared with the positive control tube. reduces

dolphi86 [110]

When compared to the positive control, a disinfectant dilution is considered to be useful if it stops bacterial growth.

Choosing a disinfectant:

When selecting a disinfectant, keep the following things in mind:

The range of bacteria that need to be eliminated. Look into the specifications of the manufacturers.

The conditions of usage of disinfectant.

Application of disinfectants :

Activity: it is necessary for efficient disinfection since, once diluted, it degrades over time. Different disinfectants deteriorate at different rates. Obtain data from the manufacturers. Disinfectants that don't have a color indication, like Virkon, should be marked with an expiration date.

Touch time: it has to be verified that the manufacturer's data to make sure the organism stays in contact for the specified amount of time. Considering that solid materials like cells and tissue granules are difficult for disinfectants to penetrate, autoclaving would be a more effective way to inactivate.

Therefore the correct choice is an option (A).

Learn more about disinfectants here:

brainly.com/question/26199691

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7 0

2 years ago